Home / 201,832-321,215

Finding the Third Proportional to 201,832 and 321,215

Calculator

Solution

The third proportional to 201,832 and 321,215 is: 511,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,832 : 321,215 = 321,215 : x
  2. Step 2: Convert to fraction form
    201,832/321,215 = 321,215/x
  3. Step 3: Cross multiply
    201,832x = 321,215 × 321,215
  4. Step 4: Simplify right side
    201,832x = 103,179,076,225
  5. Step 5: Solve for x
    x = 103,179,076,225/201,832
  6. Step 6: Final answer
    x = 511,212.67

Related Problems

Find third proportional to 100,916 and 160,607.50
Half scale
Find third proportional to 403,664 and 642,430
Double scale
Find third proportional to 201,834 and 321,218
Similar ratio
Find third proportional to 302,748 and 481,822.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.